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Geoffrey Ziskovin

Geoffrey Ziskovin is an American Software Developer and Author with an experience of over 30 years. He started his career with Haskell and has interviewed over 700 candidates for Fortune 500 companies

Florida, United States •

71 posts •

Check binutils version

In this article, we will check different commands using which you can get the binutils version installed in your system. Binutils comes with GCC but if you have upgraded GCC by building from source, binutils might not get updated and can result in errors.

Optimize C++ Code [30 techniques]

In this article, we have presented over 30 techniques which you can use to optimize your C++ code to make it perform optimally and pass time restrictions in Competitive Contests.

Set array to 0 in C++ [5 methods]

In this article, we have presented different ways using which one can set all elements in an array to 0 in C++. We have presented an assembly level approach (advanced) as well.

Convert char* to uint8_t [2 methods]

In this article, we have covered different approaches to convert char* to uint8_t.

What can you do with a Computer Science degree ?

In this article, we have explored in depth how your career will proceed if you take up a Computer Science degree. There are over 30 high paying job titles and is one of the most demanding job profiles today.

Convert int to uint8_t

In this article, we have presented how to convert int to uint8_t considering explicit casting and overflow of uint8_t.

uint8_t cannot be printed

In this article, we have explored the reason uint8_t cannot be printed with std::cout and multiple fixes that can be used to print uint8_t values.

Print boolean in C++ [using std::boolalpha and std::noboolalpha]

In this article, we have presented how to print boolean values in C++ (as integer and text) and explored the concepts of std::boolalpha and std::noboolalpha.

Convert std::vector<float> to float*

In this article, we have explored 2 different approaches to convert std::vector to float* in C++.

cout is not a member of std [FIXED]

In this article, we have explored the reason behind the error "cout is not a member of std" and 2 fixes to resolve this compilation error with C++ code.

[FIXED] /usr/lib/libstdc++.so.6: version 'GLIBCXX_3.4.16' not found

In this article, we have explored the cause of the error "/usr/lib/libstdc++.so.6: version 'GLIBCXX_3.4.16' not found" and presented 3 fixes to resolve this runtime error.

List symbols in a .so file

In this article, we have presented different commands which can be used to list all or specific symbols in a given shared object .so file. This involve different commands with nm, objdump and readelf.

Convert uint8_t* to char* in C++

In this article, we have presented how to convert an array of uint8_t (uint8_t*) to an array of char (char*).

Undefined reference to pthread_create [FIXED]

In this article, we have explored the reason behind the error "Undefined reference to pthread_create" and presented two fixes in the compilation command to fix this compilation error.

Print double value with full precision in C++ [7 methods]

In this article, we have presented several methods to print double or float values with desired precision in C++ using cout.

Convert array of uint8_t (uint8_t*) to string in C++ [3 methods]

In this article, we have presented different ways to convert an array of uint8_t (uint8_t*) to string in C++.

Install specific version of Glibc

In this article, we have mentioned the steps to illustrate how to download and install a specific version of Glibc so that you can resolve glibc related issues. The latest version of Glibc is v2.36.

[FIXED] makeinfo command not found

In this article, we have explored the reason behind the error "makeinfo command not found" and presented various fixes to resolve this error.

push declined due to email privacy restrictions [FIXED]

In this article, we have explored the reason behind the error "push declined due to email privacy restrictions" along with two approaches to fix this issue while pushing your code changes on GitHub.

[FIXED] fatal error: Python.h: No such file or directory

In this article, we have explored the reason behind the compilation error "fatal error: Python.h: No such file or directory" and presented 3 different fixes to resolve this error.

Build teXinfo from source

In this article, we have presented the steps to get the source code/ release package of teXinfo and build it from source and install in your system.

Build GCC from source [GCC v12.2.0]

In this article, we have presented the steps to build any version of GCC from source and install it.

[FIXED] error: 'vector' is not a member of 'std'

In this article, we have explored the compilation error "'vector' is not a member of 'std'" and presented the fix to resolve it.

'cout' was not declared in this scope [FIXED]

In this article, we have explored the reason behind the compilation error "cout was not declared in this scope" and how to fix it.

KMP_HW_SUBSET [complete guide]

KMP_HW_SUBSET is an OpenMP environment variable that is used to control the distribution of hardware threads across machine topology. This gives finer control compared to OMP_NUM_THREADS.